8657547
Beschreibung
Quiz von Levon Badalian, aktualisiert more than 1 year ago
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Erstellt von Levon Badalian
vor etwa 7 Jahre
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Frage 1
Frage
Please select correct basic types that are available in TypeScript:
Antworten
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number, null, binary, string, boolean
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string, boolean, enum, null, never
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boolean, char, string, number
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boolean, number, int, enum, void
Frage 2
Frage
Please select correct TypeScript variable declarations. Choose all that apply.
Antworten
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x = "My String";
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let z = "My String";
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let a: string = "My String";
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let myAge: int = 25;
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let c as string = "My String";
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let b = ("My String" as string);
Frage 3
Frage
let variable declaration is accessible anywhere within their containing function, module, namespace, or global scope.
Antworten
- True
- False
Frage 4
Frage
Please use drag and drop to make sure that variable sentence contains the following string: "Hello, my name is Joe Bloggs. I'm 44 years old."
let myName = "Joe Bloggs";
let myAge: number = 44;
let sentence: string = `Hello, my name is [blank_start]${myName}[blank_end]. I'm [blank_start]${myAge}[blank_end] years old.`;
Antworten
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{myName}
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{$myName}
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${myName}
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$myName
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$myAge.toString()
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${myAge}
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{$myAge.toString()}
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{$myAge}
Frage 5
Frage
The following code will output in the console:
enum make { Audi = 100, BMW = 200, Citroen=300, Ford, Holden, Hyundai, Jaguar, Kia, Lada }
let myCarMake: make = make.Ford;
console.info(myCarMake.toString());
Antworten
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Ford
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400
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301
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syntax error
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